Time code on call sign sending out(15 minutes and 45 minutes of per hour)(Example)

Red:  Marker(M) and position marker(P0~P5)          Pulse width 0.2s +-5ms
Green: 0 in binary                                                      Pulse width 0.8s +-5ms
Yellow: 1 in binary                                                      Pulse width 0.5s +-5ms

Example of without transmission interruption in 2004 year 92 days(April 1st) Thursday 17:25

(Attention:The modulation degree of call sign part is 0-100%.)